A：-4
B：3
C：− 43
D：43
请回答：
已知x=2﹣ 3 ，y=2+ 3 ，求下列各式的值．
清泉河畔，高贵典雅的郁金香竞相开放，红的、黄的、粉白的、紫红的…争奇斗艳．决定郁金香花瓣颜色的遗传物质主要存在于细胞的（ ）
图表理解 阅读下列图表，从每题所给的A、B、C三个选项中，选出最佳选项回答问题或完成句子。
Theme Parks
Universal Studios（环球影城）
— a dream land for
Hollywood movie fans
The history of movies, the live shows and film tricks（技巧）can be found here and it has parks in the USA, Japan and Singapore.
Legoland
— a world made of
Lego bricks（乐高积木）
You'll be sent back to your childhood time by the buildings and dolls made of Lego bricks and there are seven Legoland parks in the world and the one nearest to us is in Malaysia.
Ferrari World
— a paradise（乐园）for
car lovers
You can experience the feeling of driving a Ferrari（法拉利）car and see how Ferrari's racing cars are produced in Abu Dhabi.
